Home / 907,343.03-1,252,123.85-499,436.15

Finding the Fourth Proportional to 907,343.03, 1,252,123.85 and 499,436.15

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Solution

The fourth proportional to 907,343.03, 1,252,123.85 and 499,436.15 is: 689,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,343.03 : 1,252,123.85 = 499,436.15 : x
  2. Step 2: Convert to fraction form
    907,343.03/1,252,123.85 = 499,436.15/x
  3. Step 3: Cross multiply
    907,343.03x = 1,252,123.85 × 499,436.15
  4. Step 4: Simplify right side
    907,343.03x = 625,355,909,955.15
  5. Step 5: Solve for x
    x = 625,355,909,955.15/907,343.03
  6. Step 6: Final answer
    x = 689,216.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.